How to Convert Integer to Base7?
Given a integer, convert it to its base 7 representation in string format. For example, 101 = (202)7 and -7 = (-10)7 Recursive Approach to Convert Integer to Base7 …
How to Construct String from Binary Tree?
September 15, 2018
algorithms, c / c++, data structure, learn to code, programming languages
No Comments
Given a binary tree, convert it to a string that consist of parenthesis and interests in the pre-order traversal. The empty brackets () for left sub trees can be …
How to Convert Sorted Array to Balanced Binary Search Tree?
Given an array of sorted integers, let’s arrange it to a highly balanced binary search tree (BST). The left nodes of a binary search tree are smaller than the …
Steem Witness Updated to 0.19.6 and Server using ZRAM!
I set the SHM size to 48G on my witness server (with 50GB RAM) and the server stopped to produce blocks with the following message: 2736622ms th_a database.cpp:2596 show_free_memory …
SteemTools – the Most Delegated Accounts on the Steem Blockchain
Who are the most popular delegatees on steem blockchain? By the time of writing, @minnowbooster has 1408 delegators on steem blockchain and @utopian-io has around 35823218 SP delegated. @steem-ua …
How to Check if Two Strings are Isomorphic?
Two strings are isomorphic if the characters in one string can be replaced to get another one. No two characters may map to the same character. A character can …